Abook with a mass of 5 kg is pushed off a table with the velocity of 2 m/s. what is its momentum?

a. 7 kg-m/s
b. 3 kg-m/s
c. 15 kg-m/s
d. 10 kg-m/s

Agas is contained in a vertical, frictionless piston–cylinder device. the piston has a mass of 3.2 kg and a cross-sectional area of 35 cm2. a compressed spring above the piston exerts a force of 190 n on the piston. if the atmospheric pressure is 95 kpa, determine the pressure inside the cylinder.

How does the amount of energy required to hold each proton and neutron in the nucleus compare to the energy released when they are removed?

Standing side by side ,you and a friend step off a bridge at different times and fall for 1.6s to the water below.your friend goes first,and you follow after he has dropped a distance of 2.0m.when your friend hits the water,is the seperation between the two of you 2.0m or more than 2.0m? verify your answer with a calculation.